<s>
COGO	B-Application
is	O
a	O
suite	O
of	O
programs	O
used	O
in	O
civil	O
engineering	O
for	O
modelling	O
horizontal	O
and	O
vertical	O
alignments	O
and	O
solving	O
coordinate	O
geometry	O
problems	O
.	O
</s>
<s>
Cogo	B-Application
alignments	O
are	O
used	O
as	O
controls	O
for	O
the	O
geometric	O
design	O
of	O
roads	O
,	O
railways	O
,	O
and	O
stream	O
relocations	O
or	O
restorations	O
.	O
</s>
<s>
COGO	B-Application
was	O
originally	O
a	O
subsystem	O
of	O
MIT	O
's	O
Integrated	B-Application
Civil	I-Application
Engineering	I-Application
System	I-Application
(	O
ICES	O
)	O
,	O
developed	O
in	O
the	O
1960s	O
.	O
</s>
<s>
Evolved	O
versions	O
of	O
COGO	B-Application
are	O
still	O
widely	O
used	O
.	O
</s>
<s>
Some	O
basic	O
types	O
of	O
elements	O
of	O
COGO	B-Application
are	O
points	O
,	O
Euler	O
spirals	O
,	O
lines	O
and	O
horizontal	O
curves	O
(	O
circular	O
arcs	O
)	O
.	O
</s>
